CVE-2026-19041

MEDIUMPre-NVD 6.36.3—
EchelonGraph scoreMEDIUM confidence

Score 6.3 from GitHub Security Advisory (severity: LOW) published 2026-08-06. A secondary CVSS source baseline 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 2.1%CVSS: 6.3Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

A vulnerability has been found in MissionSquad mcp-api up to 1.11.8. The impacted element is the function this.packageService.installPackage of the file src/controllers/packages.ts of the component NPM Package Version Handler. The manipulation leads to command injection. It is possible to initiate the attack remotely. Upgrading to version 1.11.9 is sufficient to resolve this issue. The identifier of the patch is a40f54d4533ba6618e1749383a245900eeb024c1. The affected component should be upgraded.

CVSS v3
6.3
EG Score
6.3MEDIUMmedium confidence
EG Risk
29
EG Risk 29/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity63% × 45%
Exploitation2% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
2.1%
EPSS %ILE
81st
KEV
Not listed

CISA SSVCTrack at every mission impact level.

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 6, 2026

Last Modified

August 12, 2026

Advisory Details (5)

Auto-updated Aug 6, 2026
Patch available. Sources: github_commit, github_pr, github_release.
github_release Patch Available

Release v1.11.9

Patch available: MissionSquad/mcp-api v1.11.9

https://github.com/MissionSquad/mcp-api/releases/tag/v1.11.9
github_pr Patch Available

NPM Package Version Command Injection Vulnerability in MissionSquad/mcp-api

Patch available: MissionSquad/mcp-api v1.11.9 (PR #44 merged 2026-06-09)

https://github.com/MissionSquad/mcp-api/pull/44
generic

NPM Package Version Command Injection Vulnerability in MissionSquad/mcp-api · Issue #41 · MissionSquad/mcp-api · GitHub

https://github.com/MissionSquad/mcp-api/issues/41
github_commit Patch Available

commit a40f54d4533b (MissionSquad/mcp-api)

Patch available: MissionSquad/mcp-api v1.11.9 (contains commit a40f54d4533b)

https://github.com/MissionSquad/mcp-api/commit/a40f54d4533ba6618e1749383a245900eeb024c1
generic

GitHub - MissionSquad/mcp-api: MCP Proxy Server. Streaming. Node/Python. OAuth w/ DCR. · GitHub

https://github.com/MissionSquad/mcp-api/

Vendor Advisories for CVE-2026-19041(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 13× in last 7d / 60× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 146 total refreshes for this CVE.

  1. 2026-10-04 23:21 UTCEPSS rescore
  2. 2026-10-04 05:53 UTCEG score recompute
  3. 2026-10-04 05:53 UTCGHSA enrichment
  4. 2026-10-02 09:46 UTCEG score recompute
  5. 2026-10-02 09:46 UTCGHSA enrichment
  6. 2026-10-01 19:49 UTCEPSS rescore
  7. 2026-10-01 01:48 UTCEG score recompute
  8. 2026-10-01 01:48 UTCGHSA enrichment
  9. 2026-09-30 15:02 UTCEPSS rescore
  10. 2026-09-29 15:20 UTCEPSS rescore
  11. 2026-09-29 05:59 UTCEG score recompute
  12. 2026-09-29 05:59 UTCGHSA enrichment
  13. 2026-09-28 13:51 UTCEPSS rescore
  14. 2026-09-27 17:35 UTCEG score recompute
  15. 2026-09-27 17:35 UTCGHSA enrichment
  16. 2026-09-27 13:47 UTCEPSS rescore
  17. 2026-09-26 15:58 UTCEPSS rescore
  18. 2026-09-25 07:46 UTCEG score recompute
  19. 2026-09-25 07:46 UTCGHSA enrichment
  20. 2026-09-24 05:38 UTCEG score recompute
  21. 2026-09-24 05:38 UTCGHSA enrichment
  22. 2026-09-23 03:22 UTCEG score recompute
  23. 2026-09-23 03:22 UTCGHSA enrichment
  24. 2026-09-22 01:16 UTCEG score recompute
  25. 2026-09-22 01:16 UTCGHSA enrichment
Show 75 more
  1. 2026-09-20 20:41 UTCEG score recompute
  2. 2026-09-20 20:41 UTCGHSA enrichment
  3. 2026-09-19 13:11 UTCEG score recompute
  4. 2026-09-19 13:11 UTCGHSA enrichment
  5. 2026-09-18 19:27 UTCEPSS rescore
  6. 2026-09-18 08:16 UTCEG score recompute
  7. 2026-09-18 08:16 UTCGHSA enrichment
  8. 2026-09-17 06:10 UTCEG score recompute
  9. 2026-09-17 06:10 UTCGHSA enrichment
  10. 2026-09-16 14:07 UTCEPSS rescore
  11. 2026-09-16 05:14 UTCEPSS rescore
  12. 2026-09-16 03:37 UTCEG score recompute
  13. 2026-09-16 03:37 UTCGHSA enrichment
  14. 2026-09-15 01:15 UTCGHSA enrichment
  15. 2026-09-13 19:23 UTCEG score recompute
  16. 2026-09-13 19:23 UTCGHSA enrichment
  17. 2026-09-13 16:46 UTCEPSS rescore
  18. 2026-09-12 16:42 UTCEG score recompute
  19. 2026-09-12 16:42 UTCGHSA enrichment
  20. 2026-09-12 15:00 UTCEPSS rescore
  21. 2026-09-11 14:52 UTCEPSS rescore
  22. 2026-09-11 14:36 UTCEG score recompute
  23. 2026-09-11 14:36 UTCGHSA enrichment
  24. 2026-09-11 09:36 UTCEPSS rescore
  25. 2026-09-10 09:34 UTCEPSS rescore
  26. 2026-09-10 08:21 UTCGHSA enrichment
  27. 2026-09-09 06:13 UTCEG score recompute
  28. 2026-09-09 06:12 UTCGHSA enrichment
  29. 2026-09-08 22:00 UTCEPSS rescore
  30. 2026-09-07 18:03 UTCEG score recompute
  31. 2026-09-07 18:03 UTCGHSA enrichment
  32. 2026-09-07 16:01 UTCEPSS rescore
  33. 2026-09-06 13:47 UTCEPSS rescore
  34. 2026-09-06 13:32 UTCEG score recompute
  35. 2026-09-06 13:32 UTCGHSA enrichment
  36. 2026-09-05 11:26 UTCEG score recompute
  37. 2026-09-05 11:26 UTCGHSA enrichment
  38. 2026-09-04 09:19 UTCEG score recompute
  39. 2026-09-04 09:18 UTCGHSA enrichment
  40. 2026-09-04 05:06 UTCEPSS rescore
  41. 2026-09-03 06:24 UTCEG score recompute
  42. 2026-09-03 06:24 UTCGHSA enrichment
  43. 2026-09-02 14:11 UTCEPSS rescore
  44. 2026-09-02 00:48 UTCEG score recompute
  45. 2026-09-02 00:48 UTCGHSA enrichment
  46. 2026-09-01 13:53 UTCEPSS rescore
  47. 2026-09-01 04:39 UTCEPSS rescore
  48. 2026-08-31 22:40 UTCEG score recompute
  49. 2026-08-31 22:40 UTCGHSA enrichment
  50. 2026-08-30 19:17 UTCEPSS rescore
  51. 2026-08-30 18:25 UTCEG score recompute
  52. 2026-08-30 18:25 UTCGHSA enrichment
  53. 2026-08-30 01:22 UTCEPSS rescore
  54. 2026-08-29 16:19 UTCEG score recompute
  55. 2026-08-29 16:18 UTCGHSA enrichment
  56. 2026-08-28 21:41 UTCEPSS rescore
  57. 2026-08-28 02:52 UTCEG score recompute
  58. 2026-08-28 02:52 UTCGHSA enrichment
  59. 2026-08-27 14:25 UTCEPSS rescore
  60. 2026-08-27 00:46 UTCEG score recompute
  61. 2026-08-27 00:46 UTCGHSA enrichment
  62. 2026-08-26 14:46 UTCEPSS rescore
  63. 2026-08-25 22:39 UTCEG score recompute
  64. 2026-08-25 22:39 UTCGHSA enrichment
  65. 2026-08-25 13:48 UTCEPSS rescore
  66. 2026-08-24 20:34 UTCEG score recompute
  67. 2026-08-24 20:34 UTCGHSA enrichment
  68. 2026-08-23 18:27 UTCEG score recompute
  69. 2026-08-23 18:27 UTCGHSA enrichment
  70. 2026-08-23 00:19 UTCEPSS rescore
  71. 2026-08-22 16:21 UTCEG score recompute
  72. 2026-08-22 16:21 UTCGHSA enrichment
  73. 2026-08-21 23:49 UTCEPSS rescore
  74. 2026-08-21 14:15 UTCEG score recompute
  75. 2026-08-21 14:15 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-19041?
CVE-2026-19041 is a medium vulnerability published on August 6, 2026. A vulnerability has been found in MissionSquad mcp-api up to 1.11.8. The impacted element is the function this.packageService.installPackage of the file src/controllers/packages.ts of the component NPM Package Version Handler. The manipulation leads to command injection. It is possible to initiate…
When was CVE-2026-19041 disclosed?
CVE-2026-19041 was first published on August 6, 2026, with the most recent update on August 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-19041 actively exploited?
CVE-2026-19041 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.1% probability of exploitation in the next 30 days (81st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-19041?
CVE-2026-19041 has a CVSS base score of 6.3 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-19041?
A fix for CVE-2026-19041 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-19041 are linked in the Vendor Advisories panel on this page.

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